Impervious area definition

Impervious area means any surface that does not allow stormwater to infiltrate into the ground.

Impervious area means that part of the lot which is already covered or is to be covered by any impermeable artificial surface but excludes any impervious areas created without a building or resource consent.

Impervious area means the portion of a parcel of property that is covered by any material, including without limitation roofs, streets, sidewalks and parking lots paved with asphalt, concrete, compacted sand, compacted gravel or clay, that substantially reduces or prevents the infiltration of storm water. Impervious area shall not include natural undisturbed surface rock."

Examples of Impervious area in a sentence

• Impervious area calculations must include all areas on the lot proposed to be covered by roof area or pavement which would prevent rain from naturally percolating into the ground, including impervious surfaces such as sidewalks, driveways, parking areas, patios or swimming pools.

• Impervious area shall receive a GA credit based on the criteria defined in Section 304.5(c)(1)(ii) and (iii) herein.

• Impervious area that meets the SWMS Credits criteria as defined in Philadelphia Water Department Rates and Charges section 4.5. Any impervious area that meets the credits requirements as provided in Philadelphia Water Department Rates and Charges section 4.5 will be considered effectively pervious under 203.2(b).

• Notwithstanding the foregoing, Licensee may modify Redistributables that are provided to Licensee in source form, subject to all the terms of this Section 2.2 and provided that the modified Redistributables are distributed (i) only as part of Licensee's larger Work (ii) the Redistributable file is renamed and (iii) only executable, non source Redistributables may be distributed.

• An evaluation and ranking of the inventoried locations to prioritize retrofitting which includes, at a minimum: • Feasibility • Cost effectiveness • Pollutant removal effectiveness • Impervious area potentially treated • Maintenance requirements • Landowner cooperation • Neighborhood acceptance • Aesthetic qualities, and • Efficacy at addressing concern.

More Definitions of Impervious area

Impervious area means any surface that does not allow storm water to infiltrate into the ground. Consistent with the Maryland Critical Area Commission, it also means human-made surfaces that are not vegetated will be considered impervious. Impervious surfaces include roof tops, roads, parking lots, driveways and other surfaces which no longer allow rainfall to soak into the ground.

Impervious area means the number of square feet of hard surfaced areas which either prevent or retard the entry of water into soil mantle, as it entered under natural conditions as undisturbed property, and/or causes water to run off the surface in greater quantities or at an increased rate of flow from that present under natural conditions as undisturbed property, including, but not limited to, roofs, roof extensions, patios, porches, driveway, sidewalks, pavement and athletic courts.

Impervious area means impermeable surfaces, such as pavement or rooftops, which prevent the infiltration of stormwater and urban runoff into the ground.

Impervious area means an area which either prevents or retards the entry of water into the soil mantle. Common Impervious Areas include, but are not limited to, rooftops, sidewalks, walkways, patio areas, driveways, parking lots, storage areas and other surfaces which similarly impact infiltration and runoff. Roads and their related right of ways, and waterbodies and their related easements shall not be considered Impervious Areas.

Impervious area means an area or surface which prevents or limits the entrance or passage of stormwater, including asphalt, concrete, bricks, roofs and gravel surfaces if they are hard packed, and all of which are denoted as impervious by the satellite imagery utilized by the Commission in that determination;

Impervious area means a constructed hard surface that either prevents or retards the entry of water into the soil, and causes water to run off the surface in greater quantities and at an increased rate of flow than existed prior to development. Examples include rooftops, sidewalks, patios, driveways, parking lots, storage areas; and concrete, asphalt, or gravel parking lots and roads.

Impervious area means the area of the premises that is impervious to rainfall or overland flow, including areas of the premises covered by compacted gravel.